<?php

/**
 * This is the model class for table "materia".
 *
 * The followings are the available columns in table 'materia':
 * @property integer $id_materia
 * @property string $codigo_materia
 * @property integer $id_carrera
 * @property string $nombre
 * @property integer $semestre
 *
 * The followings are the available model relations:
 * @property Carrera $idCarrera
 * @property Curso[] $cursos
 */
class Materia extends CActiveRecord
{
	/**
	 * Returns the static model of the specified AR class.
	 * @param string $className active record class name.
	 * @return Materia the static model class
	 */
	public static function model($className=__CLASS__)
	{
		return parent::model($className);
	}

	/**
	 * @return string the associated database table name
	 */
	public function tableName()
	{
		return 'materia';
	}

	/**
	 * @return array validation rules for model attributes.
	 */
	public function rules()
	{
		// NOTE: you should only define rules for those attributes that
		// will receive user inputs.
		return array(
			array('codigo_materia, id_carrera, nombre, semestre', 'required'),
			array('id_carrera, semestre', 'numerical', 'integerOnly'=>true),
			array('codigo_materia, nombre', 'length', 'max'=>255),
			// The following rule is used by search().
			// Please remove those attributes that should not be searched.
			array('id_materia, codigo_materia, id_carrera, nombre, semestre', 'safe', 'on'=>'search'),
		);
	}

	/**
	 * @return array relational rules.
	 */
	public function relations()
	{
		// NOTE: you may need to adjust the relation name and the related
		// class name for the relations automatically generated below.
		return array(
			'idCarrera' => array(self::BELONGS_TO, 'Carrera', 'id_carrera'),
			'cursos' => array(self::HAS_MANY, 'Curso', 'id_materia'),
		);
	}

	/**
	 * @return array customized attribute labels (name=>label)
	 */
	public function attributeLabels()
	{
		return array(
			'id_materia' => 'Id Materia',
			'codigo_materia' => 'Codigo Materia',
			'id_carrera' => 'Id Carrera',
			'nombre' => 'Nombre',
			'semestre' => 'Semestre',
		);
	}

	/**
	 * Retrieves a list of models based on the current search/filter conditions.
	 * @return CActiveDataProvider the data provider that can return the models based on the search/filter conditions.
	 */
	public function search()
	{
		// Warning: Please modify the following code to remove attributes that
		// should not be searched.

		$criteria=new CDbCriteria;

		$criteria->compare('id_materia',$this->id_materia);
		$criteria->compare('codigo_materia',$this->codigo_materia,true);
		$criteria->compare('id_carrera',$this->id_carrera);
		$criteria->compare('nombre',$this->nombre,true);
		$criteria->compare('semestre',$this->semestre);

		return new CActiveDataProvider($this, array(
			'criteria'=>$criteria,
		));
	}
        
        
        
}